Finding the Fourth Proportional to 371,986.08, 513,346.32 and 202,220.34
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Solution
The fourth proportional to 371,986.08, 513,346.32 and 202,220.34 is: 279,067.08
Step by Step Solution
- Step 1: Write the proportion equation
371,986.08 : 513,346.32 = 202,220.34 : x - Step 2: Convert to fraction form
371,986.08/513,346.32 = 202,220.34/x - Step 3: Cross multiply
371,986.08x = 513,346.32 × 202,220.34 - Step 4: Simplify right side
371,986.08x = 103,809,067,368.15 - Step 5: Solve for x
x = 103,809,067,368.15/371,986.08 - Step 6: Final answer
x = 279,067.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.